Ricoh C211 Service Manual page 505

7.
Circuit : SS830
Main Control
P.C.B.
Paf3er
Ist Paper
Exit Sensor
Paper
2nd Paoer
Exit Sensor
al
12V
CN102-2
/'
CN104-27
CN102-17
(GND)
i
CN102-5
CN102-7
I
I I
E!fl
12V
CN106-2
/
CN102-18
(GND)
{
CN102-8
~u
8. Input/Output: SS830
Relav Board
CN301-9
Q
RA
301
CN302-"
[
I
CN304-1
IIF
CN
304-:
LA
Iol
Q
AC1OOV
3
~ Air Knife
Motor
~ Vacuum Motor
(Blower)
Signal Name
I
1/0 I
Main Control PCB
I
Description
I
CN No.
1st Paper Exit I
CN 102-7
Sensor
2nd Paper Exit I
CN 102-8
Sensor
Relay : Blower
o
CNI04-13
I
9. Electrical Timing : SS830
Master ,
TI :
T2 :
Level
I
I
(),
J
3V
When the paper passes, the CN 102-
7 becomes more than 3V.
OLr'v
24"1,,
When the paper passes the CNI 02-8
becomes more than 3V.
When the air knife motor and the
vacuum motor turn on, the CNI04-13
becomes OV.
Master Wran ,Start Kev Countef
Cut Fll~lsh ON - "O"
T
v
v
Main Motor Fowardlng
~':
Left Cutter SW
~'i
AIr K!nfe Motor
J
u "
After the master cutting process finishes and the left cutter switch turns
motor starts rotating. At the same time, the air knife motor and the
l.-
on, the main
vacuum fan
also turn on and stay on until the first drum position sensor turns on 3 or 4 times.
When the Start key is pressed, the main motor starts rotating and the air knife
motor and the vacuum fan also turn on. Then, when the counter indicates "O", the
main motors turn off after the first drum position sensor turns on 3 or 4 times.
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